Beispiel #1
0
        public void Proxy_Update_should_work_identically_to_Update()
        {
            List <TestTable> randomDataSource = RandomDataGenerator.CreateRandomTables(seed: 1234, tableCount: 5, /*allowZeroRowsInTablesByIdx: */ 1, 3);

            // TODO: Multiple table UPDATE support is... complicated: https://stackoverflow.com/questions/16218856/how-to-update-two-tables-with-one-dataset

            // Part 1: Use proxy
            DataSet dataSetFromProxy;
            {
                using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
                    using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
                    {
                        connection.Open();

                        using (BatchingFakeProxiedDbDataAdapter adapter = new BatchingFakeProxiedDbDataAdapter(selectCommand))
                            using (FakeDbCommandBuilder cmdBuilder = new FakeDbCommandBuilder(adapter))
                            {
                                dataSetFromProxy = new DataSet();

                                // `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly.
                                Int32 rowsInFirstTable = adapter.Fill(dataSetFromProxy);
                                rowsInFirstTable.ShouldBe(40);

                                //

                                Dictionary <String, Int32> rowsModified = DataTableMethods.MutateDataSet(dataSetFromProxy);

                                //
                                adapter.UpdateCommand = cmdBuilder.GetUpdateCommand();
                                adapter.UpdateCommand.NonQueryResultRowCountValue = (cmd) => DataTableMethods.GetUpdateStatementNonQueryResultRowCountValue(expectedTableName: "TODO", adapter, dataSetFromProxy, cmd, rowsModified);

                                Int32 updatedRows = adapter.Update(dataSetFromProxy); // updatedRows... in first table only?
//                      updatedRows.ShouldBe( rowsModified );
                            }
                    }
            }

            // Part 2: Use real
            DataSet dataSetFromReal;

            {
                using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
                    using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
                    {
                        connection.Open();

                        using (FakeDbDataAdapter adapter = new FakeDbDataAdapter(selectCommand))
                            using (FakeDbCommandBuilder cmdBuilder = adapter.CreateCommandBuilder())
                            {
                                dataSetFromReal = new DataSet();

                                // `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly.
                                Int32 rowsInFirstTable = adapter.Fill(dataSetFromReal);
                                rowsInFirstTable.ShouldBe(40);

                                //

                                Dictionary <String, Int32> rowsModified = DataTableMethods.MutateDataSet(dataSetFromReal);

                                //
                                adapter.UpdateCommand = cmdBuilder.GetUpdateCommand();
                                adapter.UpdateCommand.NonQueryResultRowCountValue = (cmd) => DataTableMethods.GetUpdateStatementNonQueryResultRowCountValue(expectedTableName: "TODO", adapter, dataSetFromReal, cmd, rowsModified);

                                Int32 updatedRows = adapter.Update(dataSetFromReal); // updatedRows... in first table only?
//                      updatedRows.ShouldBe( rowsModified );
                            }
                    }
            }

            // Assert equality:
            DataTableMethods.DataSetEquals(dataSetFromProxy, dataSetFromReal, out String diffs).ShouldBeTrue(customMessage: diffs);
        }
Beispiel #2
0
        public async Task Proxy_UpdateAsync_should_work_identically_to_Update()
        {
            List <TestTable> randomDataSource = RandomDataGenerator.CreateRandomTables(seed: 1234, tableCount: 5, /*allowZeroRowsInTablesByIdx: */ 1, 3);

            // Part 1: Use proxy
            DataSet dataSetFromProxy;
            {
                using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AwaitAsync))
                    using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
                    {
                        await connection.OpenAsync();

                        using (BatchingFakeProxiedDbDataAdapter adapter = new BatchingFakeProxiedDbDataAdapter(selectCommand))
                            using (DbCommandBuilder cmdBuilder = await adapter.CreateCommandBuilderAsync().ConfigureAwait(false))
                            {
                                dataSetFromProxy = new DataSet();

                                // `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly.
                                Int32 rowsInFirstTable = await adapter.FillAsync(dataSetFromProxy);

                                rowsInFirstTable.ShouldBe(40);

                                //

                                Dictionary <String, Int32> rowsModified = DataTableMethods.MutateDataSet(dataSetFromProxy);

                                //

                                adapter.UpdateCommand = (FakeDbCommand)cmdBuilder.GetUpdateCommand();
                                adapter.UpdateCommand.NonQueryResultRowCountValue = (cmd) => 1; // HACK /* DataTableMethods.GetNonQueryResultRowCountValue( dataSetFromProxy, cmd, rowsModified ); */;

                                //

                                Int32 updatedRows = await adapter.UpdateAsync(dataSetFromProxy); // updatedRows... in first table only?

//                      updatedRows.ShouldBe( rowsModified );
                            }
                    }
            }

            // Part 2: Use real
            DataSet dataSetFromReal;

            {
                using (FakeDbConnection connection = new FakeDbConnection(asyncMode: AsyncMode.AllowSync))
                    using (FakeDbCommand selectCommand = connection.CreateCommand(testTables: randomDataSource))
                    {
                        connection.Open();

                        using (FakeDbDataAdapter adapter = new FakeDbDataAdapter(selectCommand))
                            using (FakeDbCommandBuilder cmdBuilder = adapter.CreateCommandBuilder())
                            {
                                dataSetFromReal = new DataSet();

                                // `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly.
                                Int32 rowsInFirstTable = adapter.Fill(dataSetFromReal);
                                rowsInFirstTable.ShouldBe(40);

                                //

                                Dictionary <String, Int32> rowsModified = DataTableMethods.MutateDataSet(dataSetFromReal);

                                //

                                adapter.UpdateCommand = cmdBuilder.GetUpdateCommand();
                                adapter.UpdateCommand.NonQueryResultRowCountValue = (cmd) => 1; // HACK /* DataTableMethods.GetNonQueryResultRowCountValue( dataSetFromProxy, cmd, rowsModified ); */;

                                //

                                Int32 updatedRows = adapter.Update(dataSetFromReal); // updatedRows... in first table only?
//                      updatedRows.ShouldBe( rowsModified );
                            }
                    }
            }

            // Assert equality:
            DataTableMethods.DataSetEquals(dataSetFromProxy, dataSetFromReal, out String diffs).ShouldBeTrue(customMessage: diffs);
        }